Charlestown High School vs Chelsea Opportunity Academy
Chelsea Opportunity Academy has a higher overall rating of 5.2/10 compared to 3.7/10. Charlestown High School is significantly larger with 789 students, about 6.3× the size of Chelsea Opportunity Academy (125). In math proficiency, Charlestown High School leads at 27.0%.
Attendance data is under correction. A public school's existing Resources & Environment score and overall rating shown here may still reflect an unverified attendance input.
Charlestown High School
Charlestown, MA
3.7/10
High School7th – 12th
789 students
Chelsea Opportunity Academy
Chelsea, MA
5.2/10
High School9th – 12th
125 students
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| Metric | Charlestown High School | Chelsea Opportunity Academy |
|---|---|---|
| Overall Rating | 3.7 / 10 | 5.2 / 10 |
| Academic Score | 2.1 | 4.2 |
| Growth Score | 5.8 | 9.6 |
| Diversity Index | — | — |
| Free/Reduced Lunch | — | — |
| Environment Score | 2.5 | 2.1 |
| State Rank | #1,702 of 1,793 | #1,270 of 1,793 |
| State Percentile | 5th | 29th |
Test Scores
| Subject | Charlestown High School | Chelsea Opportunity Academy |
|---|---|---|
| Math Proficiency | 27.0% | 25.0% |
| Math (State Avg) | — | — |
| ELA Proficiency | 17.0% | 25.0% |
| ELA (State Avg) | — | — |
School Details
| Detail | Charlestown High School | Chelsea Opportunity Academy |
|---|---|---|
| Type | High School | High School |
| Grades | 7th – 12th | 9th – 12th |
| Enrollment | 789 | 125 |
| Student-Teacher Ratio | 8.5:1 | 17.9:1 |
| Free/Reduced Lunch | — | — |
| Graduation Rate (4yr, Class of 2023) | 60–64% | 15–19% |
| District | Boston | Chelsea |
| City | Charlestown | Chelsea |
Neighborhood
| Metric | Charlestown (02129) | Chelsea (02150) |
|---|---|---|
| Median Household Income | $157,192 | $72,122 |
| Median Home Value | $926,000 | $476,500 |
| Median Rent | $2,258 | $1,861 |
| College Educated (Bachelor's+) | 71.4% | 22.0% |
| Poverty Rate | 6.3% | 20.6% |
| Avg Commute | 29 min | 34 min |